参数资料
型号: SPLC780D
厂商: Electronic Theatre Controls, Inc.
英文描述: 16COM/40SEG Controller/Driver
中文描述: 16COM/40SEG控制器/驱动器
文件页数: 24/48页
文件大小: 851K
代理商: SPLC780D
SPLC780D
7.3. AC Characteristics (VDD = 2.7V to 4.5V, T
A
= 25
Sunplus Technology Co., Ltd.
Proprietary & Confidential
24
NOV. 04, 2004
Version: 1.2
)
7.3.1. Internal clock operation
Limit
Characteristics
Symbol
Min.
Typ.
Max.
Unit
Test Condition
OSC Frequency
F
OSC1
190
270
350
KHz
VDD = 3.0V, Rf = 75K
±
2%
7.3.2. External clock operation
SunpusConidenia
Limit
Characteristics
Fo PARTMNERUseOny
Symbol
Min.
Typ.
Max.
Unit
Test Condition
External Frequency
OSC2
125
250
350
KHz
Duty Cycle
45
50
55
%
Rise/Fall Time
t r, t f
-
-
0.2
s
7.3.3. Write mode (Writing data from MPU to SPLC780D)
Limit
Characteristics
Symbol
Min.
Typ.
Max.
Unit
Test Condition
E Cycle Time
t
C
1000
-
-
ns
Pin E
E Pulse Width
t
PW
450
-
-
ns
Pin E
E Rise/Fall Time
t
, t
-
-
25
ns
Pin E
Address Setup Time
t
SP1
60
-
-
ns
Pins: RS, R/W, E
Address Hold Time
t
HD1
20
-
-
ns
Pins: RS, R/W, E
Data Setup Time
t
SP2
195
-
-
ns
Pins: DB0 - DB7
Data Hold Time
t
HD2
10
-
-
ns
Pins: DB0 - DB7
7.3.4. Read mode (Reading data from SPLC780D to MPU)
Limit
Characteristics
Symbol
Min.
Typ.
Max.
Unit
Test Condition
E Cycle Time
t
C
1000
-
-
ns
Pin E
E Pulse Width
t
W
450
-
-
ns
Pin E
E Rise/Fall Time
t
R
, t
F
-
-
25
ns
Pin E
Address Setup Time
t
SP1
60
-
-
ns
Pins: RS, R/W, E
Address Hold Time
t
HD1
20
-
-
ns
Pins: RS, R/W, E
Data Output Delay Time
t
D
-
-
360
ns
Pins: DB0 - DB7
Data hold time
t
HD2
5.0
-
-
ns
Pin DB0 - DB7
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